Cluster display screen or portion thereof with a graphical user interface



FIG. 1 is a front view of a cluster display screen or portion thereof with a graphical user interface showing our new design; and,

FIG. 2 is an enlarged view of FIG. 1.

The broken lines illustrate a cluster display screen or portion thereof that form no part of the claimed design. 

CLAIM The ornamental design for a cluster display screen or portion thereof with a graphical user interface, as shown and described. 